Made of metal materials, it has high durability and can be used for a long time in all weather conditions. The brake is silent and no noise. The bike brake pad is made of metal material, and it will wear out after long time use. Replace the brake pads in time to prevent accidents and protect safety. Drainage design enhances the adaptability. Features -Color:Black -Material:Metal -Size:3.70X2.20X0.30cm/1.45X0.86X0.12in - The brake pads are made of metal material, they have durable and than ordinary material. - Good heat dissipation, perfect adaptability less noise, smooth and powerful braking. - Suitable for all weather conditions protect, quite braking, no noise, high static friction coefficient. - Bike brake pad can bring you and enjoyable riding experience, very practical and convenient. - The brake pad with rectangular shape design matches the rim for improved braking power. Package list: 1 x Set of Bike Brake Pads